CVE-2022-50276
MEDIUM severity · CVSS 5.5 · CWE-476
5.5CVSS MEDIUM
Summary
In the Linux kernel, the following vulnerability has been resolved: power: supply: fix null pointer dereferencing in power_supply_get_battery_info when kmalloc() fail to allocate memory in kasprintf(), propname will be NULL, strcmp() called by of_get_property() will cause null pointer dereference. So return ENOMEM if kasprintf() return NULL pointer.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/104bb8a663451404a26331263ce5b96c34504049 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/104bb8a663451404a26331263ce5b96c34504049Patch
- https://git.kernel.org/stable/c/279af90e65cbdb3e5c4519b0043324d7876bc5ecPatch
- https://git.kernel.org/stable/c/5beadb55f4e36fafe5d6df5dcd5f85d803f3f134Patch
- https://git.kernel.org/stable/c/8ea68b4e3fa9392ef9dae303abc8735a033c280fPatch
- https://git.kernel.org/stable/c/b8131efb89d9f837c9244f900f0fc2699fd1181dPatch
- https://git.kernel.org/stable/c/d21534ab4fd7883e1c8037a76671d4e8b6ea14cbPatch